B H A C T > . 



Plate XIX. 



12 



General nibjoct Dcflno the term. Name etch figure. How It the Bract 

 In the amentaceous trees In the Bun-flower tribe In the Fennel tribe In the 

 Omega? When the bracts IncloM many flowers what arc they called f What 

 flgnrea In the plate represent the Involucre, and to what trlbea do they belong f 

 What eormponds with the Involucre In Granea, and what are the parta that 

 Ineloae the ulnglo flower ? How are the bract* In fig. (! -flg. 8 flg. 9 T What 

 dotbeyformlnflg.ll-flg.12? What peculiar Ibnn at fig. 18 T What are rep- 



